<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="/bootstrap/dist/css/bootstrap.css">
</head>
<style>
    form {
        width: 360px;
        margin: 200px auto;
    }

    input {
        margin: 20px;
    }

    button {
        margin: 20px;
        width: 360px;
    }
</style>

<body>
    <form action="/dologin" method="post">
        <input type="text" class="form-control" id="exampleInputEmail1" name="username" placeholder="账号">

        <input type="password" class="form-control" name="password" id="exampleInputPassword1" placeholder="密码">

        <button class="btn btn-primary">登录</button>
    </form>
</body>

</html>